Product Overview
IRF510 100V 5.6A N-Channel HEXFET Power Transistor TO-220AB
Condition
New old stock. Clean through-hole leads with no solder residue. Package markings legible: IRF510, IOR 9249, 9M 6C.
Same or next business day shipping from our Idaho warehouse. Reliable parts since 1999. Honest pricing, no nonsense.
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Product Overview
International Rectifier IRF510 N-channel enhancement mode power MOSFET in a standard TO-220AB through-hole package. Built with HEXFET technology, this transistor is designed for low-power switching applications, DC motor control, audio amplifiers, and amateur radio RF linear amplifiers requiring fast switching speeds and straightforward gate drive characteristics.
Key Features
- 100V drain-to-source breakdown voltage (V_DSS)
- 5.6A continuous drain current (I_D) at 25°C case temperature
- 0.54 Ohm maximum static drain-to-source on-resistance (R_DS(on)) at 10V V_GS
- 43W maximum power dissipation at 25°C
- Industry-standard 3-lead TO-220AB through-hole package
- Standard pinout: Pin 1 Gate, Pin 2 Drain, Pin 3 Source (mounting tab connected to Drain)
Applications
- Building or repairing DIY QRP ham radio transmitters and HF linear amplifier stages
- Driving solenoids, small DC motors, and mechanical relays from microcontroller output stages
- Repairing vintage power supply modules and audio amplifier boards
- Benchtop prototyping on breadboards and perfboards requiring an N-channel switch
Frequently Asked Questions
What is the pin configuration for this transistor?
Looking at the front marked face with leads pointing downward, the pinout from left to right is Pin 1 Gate, Pin 2 Drain, and Pin 3 Source. The metal mounting tab is electrically common with Pin 2 (Drain).
Can this MOSFET be driven directly by standard 5V logic?
The IRF510 has a gate threshold voltage between 2.0V and 4.0V, but reaching its lowest on-resistance of 0.54 Ohms requires a gate-to-source voltage (V_GS) closer to 10V. For full saturation under higher current loads, use a dedicated gate driver or 10V-12V gate drive signal.
Why buy individual components here rather than a bulk surplus grab bag?
You get authentic vintage International Rectifier silicon inspected for straight, clean leads rather than floor sweepings or counterfeit re-marked transistors from unvetted overseas lots. Buy only the exact count needed for your project without paying for excess inventory. Shipping is an $8 flat rate, free once your order passes $28, and orders leave our Idaho warehouse the same or next business day.
The IRF510 is a rite of passage on amateur radio workbenches, turning modest gate voltages into clean power without complaining. Plug it into your circuit, secure the heatsink, and let the build run.
